continuous rigid-frame structure

This continuous rigid-frame bridge construction of complex structure, and environmental factors, increases the difficulty of construction.

该连续刚构桥构造复杂，且受施工环境因素制约，增加了该桥施工难度。

The influence of concrete creep on bridge structure under the construction and operation stage for prestressed concrete continuous rigid frame bridge and cable-stayed bridge is also analyzed.

本文还针对预应力混凝土连续刚构桥和斜拉桥，分析计算了其在施工和运营阶段，混凝士徐变对桥梁结构的影响。

The structure of thin-walled box girders are commonly applied in some large span continuous beam bridges and rigid frame bridges in our country.

我国已建成的一些大跨径连续梁桥及大跨径连续刚构桥都普遍采用薄壁箱形截面。